package com.shf3;

public class StringTest04 {
    public static void main(String[] args) {
        int[] arr={1,2,3};
        String s = arrayToString(arr);
        System.out.println(s);
    }
    public static String arrayToString(int[] arr){
        String s="";
        s+="[";
        for (int i = 0; i < arr.length; i++) {
            if(i== arr.length-1) s+=arr[i];
            else s+=arr[i]+", ";
        }
        s+="]";
        return s;
    }
}
